Honeywell
Honeywell T4 Wired Programmable Thermostat T4H110A1021
Wired programmable thermostat from Honeywell with 7-day and 5/2-day scheduling options.
At a glance
- Also known as 4201225
£105.84
£88.20 ex. VAT · VAT at 20%
Call 01302 279234 to check availability
Same-day dispatch
Ordered by 4pm Mon–Fri, 10:30am Sat.
30-day returns
Unused, in original packaging.
What it is
The Honeywell T4 is a wired, 7-day and 5/2-day programmable thermostat for domestic heating systems. It controls the boiler and heating circuit according to a set time and temperature schedule.
Before you order
- Confirm the existing heating system is compatible with a wired programmable thermostat.
- Check that the wiring at the thermostat position can support the required connections.
- Verify the model number T4H110A1021 matches the required specification.
Compliance
| Alternative numbers | 5025121381215, HONEYWELLT4H110A1021, HONEYWELLT4H110A1021, HONEYWELLT4H110A1021, HONEYWELLT4H110A1021, 4201225 |
|---|
| Make | Model / assembly | Reference | Years | Fitment |
|---|---|---|---|---|
| HONEYWELL RESIDENTIAL PRODUCTS | — | — | — |
Documents & drawings
Everything we hold for this part. Where a document exists but we don't hold it, the technical team will source it from the manufacturer — usually the same working day.
No documents held for this part. The technical team will source them from the manufacturer — usually the same working day.
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